package com.xm.concurrent.base;

import com.sun.media.sound.SoftTuning;

import java.util.concurrent.TimeUnit;

/**
 * 4.3.5 Thread.join() 的使用
 *
 * @author xiaoming
 * @date 2021-05-26 21:24
 */
public class Join {
    public static void main(String[] args) throws InterruptedException {
        Thread previous = Thread.currentThread();

        for (int i = 0; i < 10; i++) {
            // 每个线程拥有前一个线程的引用, 需要等前一个线程终止, 才能从等待中返回
            Thread thread = new Thread(new Domino(previous), String.valueOf(i));
            thread.start();
            previous = thread;
        }
        TimeUnit.SECONDS.sleep(5);
        System.out.println(Thread.currentThread().getName() + " terminate.");

    }

    static class Domino implements Runnable {
        private Thread thread;

        public Domino(Thread thread) {
            this.thread = thread;
        }

        @Override
        public void run() {
            try {
                thread.join();
            } catch (InterruptedException e) {
            }

            System.out.println(Thread.currentThread().getName() + " terminate.");

        }
    }

}
